We propose a new sequential hypothesis test for the process capability index Cpk. We compare the statistical properties of the proposed test with the properties of non-sequential tests by performing a simulation study. The results indicate that the sequential test makes it possible to save a large amount of sample size, while type I and II error probabilities are maintained at their desired values.
A Sequential Test for the Cpk Index
SCAGLIARINI, MICHELE
2017
Abstract
We propose a new sequential hypothesis test for the process capability index Cpk. We compare the statistical properties of the proposed test with the properties of non-sequential tests by performing a simulation study. The results indicate that the sequential test makes it possible to save a large amount of sample size, while type I and II error probabilities are maintained at their desired values.File in questo prodotto:
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